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turnin the 650 into a hill climber

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i got a 02 xr 650r and have climbed it a couple times in the 750 class and done fairly decent. its been uncorked and the exhaust opened up. been thinkin bout a high compression piston and cam. got some six inch extensions on the way too. any body got some suggestions on the motor mods(like where to get them from and what companys) for me or any other mods that i should do.

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Iv'e done some work to a 650 twin motor just for hill climb comps. The easy and cheap way to more power is a wet shot of nitrous. REALLY! It will put out twice the power at a fraction of the cost.

When it hits it will scare the hell out of ya!Perfect for short hill climbs!

http://www.boondockers.com/instructions/dirt/yamaha/universaldirtnitrous.pdf

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Iv'e done some work to a 650 twin motor just for hill climb comps. The easy and cheap way to more power is a wet shot of nitrous. REALLY! It will put out twice the power at a fraction of the cost.

When it hits it will scare the hell out of ya!Perfect for short hill climbs!

http://www.boondocke...dirtnitrous.pdf

I need one...

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